Definition: a large, white bird with a long neck which lives on lakes and rivers Level: B2
我们看到一只天鹅在河上滑行。
We saw a ___swan gliding down the river.
在故事中，丑小鸭变成了一只美丽的天鹅。
In the story, the ugly duckling turns into a beautiful ___swan.
天鹅优雅地游过湖面，长脖子弯成弧形。
The ___swan gracefully swam across the lake, its long neck arched.
